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Interior Designer — CID/RID
Total cost: $1,505
Governing Authority
District of Columbia Board of Architecture, Interior Design, and Landscape Architecture
Official website →Yes
License Required
Yes
NCIDQ Required
Practice act
Regulation Type
6 yrs
Experience Years
24 hrs
CE Hours
$1,505
Total Initial Fees
Degree & Accreditation
VerifiedDegree Required
Bachelor's Required
Graduate Degree
Graduate degree accepted through NCIDQ eligibility pathways
Degree Field
Interior design degree from a CIDA-accredited program or equivalent; NCIDQ passage demonstrates education sufficiency
Accreditation
CIDA-accredited or equivalent program
Interior designers seeking licensure or certification must hold a minimum of a bachelor's degree in interior design from a CIDA-accredited (Council for Interior Design Accreditation) program or an equivalent program approved by the state. CIDA accreditation ensures the program meets rigorous standards for interior design education.
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Certification Requirements
VerifiedNCIDQ Certification Required
National Council for Interior Design Qualification
IDFX Exam
Interior Design Fundamentals Exam (IDFX): Covers design theory, building systems, construction standards, codes, and design communication. First section of the NCIDQ examination.
IDPX Exam
Interior Design Professional Exam (IDPX): Covers programming, schematic design, design development, contract documents, and project coordination. Second section of the NCIDQ examination.
PRAC Exam
Practicum (PRAC): A practicum-based exam testing application of interior design knowledge through scenario-based problems involving space planning, building code compliance, and design problem solving.
The NCIDQ examination consists of three sections: the Interior Design Fundamentals Exam (IDFX), the Interior Design Professional Exam (IDPX), and the Practicum (PRAC). All three sections must be passed to achieve NCIDQ certification. The exams are administered by the Council for Interior Design Qualification (CIDQ) and are offered multiple times per year at Prometric testing centers.
Professional Experience
Verified6 yrs
Years Required
6 years of diversified interior design experience; combination of education and supervised practice
Supervised Experience
Qualifying experience includes commercial and residential interior design, space planning, construction document preparation, building code review, specification writing, project coordination, and client consultation
Qualifying Experience
Most states require 2-4 years of diversified interior design experience working under the supervision of a qualified interior designer, architect, or other licensed professional. Qualifying experience includes commercial and residential design, space planning, construction document preparation, building code review, specification writing, and project coordination. The IDEP (Interior Design Experience Program) may be used to document qualifying experience in some jurisdictions.
State Licensing Requirements
VerifiedState License/Registration Required
Regulation Type
practice act
Additional Notes
The District of Columbia has a practice act for interior designers.
Approximately 26 jurisdictions require some form of licensure, registration, or certification for interior designers. Regulation types include practice acts (which restrict who may practice interior design), title acts (which restrict use of the title), certification programs, and registration programs. Even in unregulated states, NCIDQ certification may be required by employers or enhance professional standing.
Practice Scope & Specialties
VerifiedCommercial
Authorized
Residential
Authorized
Space Planning
Authorized
Code Compliance
Authorized
Space Planning Details
Space planning including furniture layout, circulation patterns, accessibility compliance, and functional zoning for commercial and residential interiors
Code Compliance Details
Building code review and compliance for interior construction as defined by state practice act; scope varies by jurisdiction
Interior designers practice in areas including commercial and residential design, space planning, furniture layout, material selection, lighting design, building code compliance, ADA accessibility, construction document preparation, and project management. The scope of practice varies by state regulation type, with practice act states providing the broadest scope of practice authority.
| Fee | Amount |
|---|---|
Application Fee | $85 |
License Fee | $1,420 |
Renewal Fee | $120.00 (up to 2 years) |
Total Initial Fees Includes application and registration fees (excludes NCIDQ exam fees paid directly to CIDQ) | $1,505 |
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Renewal & CE Requirements
Verified2 years (up to 2 years per cycle; expires Oct 31 in even years)
Renewal Period
24 hrs
CE Hours Required
$120.00 (up to 2 years)
Renewal Fee
CE Details
24 CE hours per 2-year renewal period in health, safety, and welfare subjects
Regulatory Board
Interior design licenses, registrations, and certifications must be renewed on schedule with the state licensing authority. Most states require Continuing Education (CE) hours in interior design, building codes, life safety, accessibility, sustainability, or related professional practice topics. Requirements typically range from 8-24 hours per renewal cycle.
Out-of-State Reciprocity
VerifiedEndorsement Available
Yes
Comity Available
Yes
Reciprocity Requirements
Most states that regulate interior designers offer reciprocity or endorsement for NCIDQ-certified interior designers from other states. Requirements typically include verification of current credential, passage of all three NCIDQ exam sections, meeting education and experience requirements, and completing any state-specific application requirements. NCIDQ certification serves as the common standard across jurisdictions.
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The District of Columbia has one of the most restrictive interior design regulations in the nation with a full practice act. Licensure is required to practice interior design in commercial spaces. The DC board includes 4 architects, 2 interior designers, 2 landscape architects, and 1 consumer member. Initial licensure fees are among the highest at approximately $1,505. Licenses expire every 2 years with 24 HSW CE hours required.
The District of Columbia has a practice act for interior designers.
DC is one of few jurisdictions with a true practice act restricting interior design practice.
The NCIDQ examination is required for licensure.
6 years of experience required (combination of education and work).
24 CE hours in HSW subjects required per 2-year renewal.
Initial licensure fees total approximately $1,505.
There is no interstate compact for interior designers.
Interior Designer requirements in nearby states
See how District of Columbia compares: Interior Designer License Fees by State — Cheapest to Most Expensive →
Related Guides
Explore requirements for other professional licenses in District of Columbia.
Interior Designer Schools in District of Columbia
Compare approved training programs, costs, and requirements.
Study guides for the NCIDQ certification exam.
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Interior Designer requirements in District of Columbia verified against District of Columbia Board of Architecture, Interior Design, and Landscape Architecture, March 2026.
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Transfer your Interior Designer license from District of Columbia to: Maryland → | Virginia →
District of Columbia requires a practice act for interior designers. All three NCIDQ exam sections (IDFX, IDPX, PRAC) are required. 6 years of diversified experience required. All licensing is managed through the District of Columbia Board of Architecture, Interior Design, and Landscape Architecture.
Requirements vary by state. Always verify current requirements with your state licensing authority.